VAC-2000UHD / 4000UHD User’s Guide
44
Problem
Check item
Page
[5] Is an unsupported resolution is input to the sink device?
Check the resolution and video frequency.
Some resolutions of sink device are not supported; check
the specification of the sink device.
35 [ L07 ]
[6] Does the sink device support SCDC?
①
Check the TMDS clock ratio of input signals.
・
1_4: SCDC signals
・
1_1: Not SCDC signals
This problem occurs due to
another problem
②
Check the SCDC supported status of the sink device.
・
on: SCDC is supported.
・
oFF: SCDC is not supported
video is not displayed.
[7]
①
Check the stream type of input signals.
・
000: Video is authorized to be displayed to all devices
supporting HDCP 1.4,HDCP 2.2.
・
001: Video is authorized to be displayed only to devices
supporting HDCP 2.2.
②
Check the HDCP supported status.
38 [ L90 ]
[8]
Change the setting of Hot plug ignoring time.
32 [ C1n ]
[9]
If a long cable is connected for input or output, replace it with
a 5 meter/16.4 feet or shorter cable. A 5 meter/16.4 feet or
longer cable can be connected for digital input/output for the
VAC, but some cables fail HDCP authorization or EDID
acquisition depending on the quality of the cable and
connected devices.
For 4K format, see “5 Sample application”.
[10]
Verify that No-signal input monitoring time ([F16]) is not
short.
24 [ F16 ]
[11]
Check the video output setting of the source device.
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